main.py

import stripe
import globales
import herramientas
import ga4Analiticas
from fastapi import FastAPI, Request, Header

app = FastAPI()

string_key = globales.llave

@app.get("/")
def start(): 
    return {f"Status":"Deployed"}

@app.post("/webhook")
async def webhook_received(request: Request, stripe_signature: str = Header(None)):    
    
    webhook_secret = globales.webhook 

    data = await request.body()
    
    print("Construyendo el evento:")
    
    try:         
        event = stripe.Webhook.construct_event(
            payload=data,
            sig_header=stripe_signature,
            secret=webhook_secret
        )
        # print("Evento construido...") 
        # print(event)   
        # print("Evento impreso")         

    except Exception as e:     
        print("Excepción es: ", e)         

    try:
        event_data = event['data']['object']     
    except Exception as e:     
        print("Excepción-183 es: ", e)
    
    event_type = event['type']
    print("Voy a imprimir el event type:")
    print(event_type)
    print("Sucedido a las: ", herramientas.imprimeTime())

    if event_type == 'checkout.session.completed': 
        print("Checkout Session completado.")
        print("Status:")
        print(event_data['status'])   
        print("Payment Method Options:")     
        print(event_data['payment_method_options']) 
        print("Cantidad de elementos:")
        print(len(event_data['payment_method_options']))
        gaCliente = event_data['metadata']['gaCliente']
        print("gacliente:", gaCliente)
        print("Sending to GA4...")
        ga4Analiticas.send_ga4_purchase_event(event_data)
        #Si hay un elemento que es card abona inmediatamente. 
        #Si no, por ahora ignora. 
        if len(event_data['payment_method_options']) > 0: #Si es mayor que cero checa si existe card.
            if len(event_data['payment_method_options']["card"]) > 1: #Si el contenido de card es mayor de uno, si existe y puedes finalmente procesar el pago.
                cus_id = event_data['customer']
                print("Customer directo:", cus_id)
                imagenes = event_data['metadata']['imagenes']
                print("Imágenes:")
                print(imagenes)  
                firebase_user = event_data['metadata']['firebase_user']
                herramientas.registrar_evento(cus_id, firebase_user, int(imagenes))             

    if event_type == 'checkout.session.async_payment_succeeded': 
        print("Pago asíncrono completado.")
        print("Checkout Session completado.")
        print("Status:")
        print(event_data['status'])  
        print("Payment Method Options:")     
        print(event_data['payment_method_options']) 
        print("Cantidad de elementos:")
        print(len(event_data['payment_method_options']))
        cus_id = event_data['customer']
        print("Customer directo:", cus_id)
        imagenes = event_data['metadata']['imagenes']
        print("Imágenes:")
        print(imagenes)  
        herramientas.registrar_evento(cus_id, int(imagenes))
        
    else:
        print(f'unhandled event: {event_type}')      
    
    return {"status": "success"}